<template>
  <div class="app-container">
    <el-form v-show="showSearch" ref="queryForm" :model="queryParams" size="small" :inline="true" label-width="68px">
      <el-form-item label="用户ID" prop="userId">
        <el-input
          v-model="queryParams.userId"
          placeholder="请输入用户ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="用户昵称" prop="userNick">
        <el-input
          v-model="queryParams.userNick"
          placeholder="请输入用户昵称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="优惠券ID" prop="couponId">
        <el-input
          v-model="queryParams.couponId"
          placeholder="请输入优惠券ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- <el-form-item label="数量" prop="num">
        <el-input
          v-model="queryParams.num"
          placeholder="请输入数量"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['taskhub:userCoupon:add']"
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['taskhub:userCoupon:edit']"
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['taskhub:userCoupon:remove']"
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['taskhub:userCoupon:export']"
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
        >导出</el-button>
      </el-col>
      <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table v-loading="loading" :data="userCouponList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="用户ID" align="center" prop="userId" />
      <el-table-column label="用户昵称" align="center" prop="userNick" />
      <el-table-column label="优惠券ID" align="center" prop="couponId">
        <template slot-scope="scope">
          <span>{{ dictCoupon(scope.row.id) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="数量" align="center" prop="num" />
      <el-table-column label="发放时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            v-hasPermi="['taskhub:userCoupon:edit']"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            v-hasPermi="['taskhub:userCoupon:remove']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改用户优惠券对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="用户ID" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户ID" />
        </el-form-item>
        <el-form-item label="用户昵称" prop="userNick">
          <el-input v-model="form.userNick" placeholder="请输入用户昵称" />
        </el-form-item>
        <el-form-item label="优惠券" prop="couponId">
          <el-select v-model="form.couponId" placeholder="请选择是否启用">
            <el-option
              v-for="option in couponOptions"
              :key="option.id"
              :label="option.title"
              :value="option.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="数量" prop="num">
          <el-input-number v-model="form.num" placeholder="请输入数量" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listUserCoupon, getUserCoupon, delUserCoupon, addUserCoupon, updateUserCoupon } from '@/api/taskhub/userCoupon'
import { optionsCoupon } from '@/api/taskhub/coupon'

export default {
  name: 'UserCoupon',
  dicts: ['app_coupon_id'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 用户优惠券表格数据
      userCouponList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        couponId: null,
        num: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        userId: [
          { required: true, message: '用户ID不能为空', trigger: 'blur' }
        ],
        couponId: [
          { required: true, message: '优惠券ID不能为空', trigger: 'blur' }
        ],
        num: [
          { required: true, message: '数量不能为空', trigger: 'blur' }
        ]
      },
      // 消费券下拉列表
      couponOptions: []
    }
  },
  created() {
    // 获取参数
    const userId = this.$route.query.userId
    const userNick = this.$route.query.userNick
    if (userId) {
      this.queryParams.userId = userId
    }
    if (userNick) {
      this.queryParams.userNick = userNick
    }
    this.getOptionsCoupon()
    this.getList()
  },
  methods: {
    /** 查询用户优惠券列表 */
    getList() {
      this.loading = true
      listUserCoupon(this.queryParams).then(response => {
        this.userCouponList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    //  消费券下拉列表
    getOptionsCoupon() {
      optionsCoupon().then(res => {
        if (res.code === 200) {
          this.couponOptions = res.data
        } else {
          this.$modal.msgError(res.msg)
        }
      })
    },
    // 消费券字典
    dictCoupon(id) {
      for (let i = 0; i < this.couponOptions.length; i++) {
        const coupon = this.couponOptions[i]
        if (id === coupon.id) {
          return coupon.title
        }
      }
      return id
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        userId: null,
        couponId: null,
        num: null,
        createTime: null,
        updateTime: null
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      const userId = this.queryParams.userId
      const userNick = this.queryParams.userNick
      if (userId) {
        this.form.userId = userId
      }
      if (userNick) {
        this.form.userNick = userNick
      }
      this.open = true
      this.title = '添加用户优惠券'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getUserCoupon(id).then(response => {
        this.form = response.data
        this.open = true
        this.title = '修改用户优惠券'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateUserCoupon(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addUserCoupon(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除用户优惠券编号为"' + ids + '"的数据项？').then(function() {
        return delUserCoupon(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('taskhub/userCoupon/export', {
        ...this.queryParams
      }, `userCoupon_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
